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Gives you energy and speeds up your metabolism.
B12 is crucial to your body, as it helps to support healthy brain and nervous system functions. Without it, you could suffer brain, spine, and nervous system damage or failure, along with some blood problems (pernicious anemia).

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11y ago
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11y ago

Vitamin B12 is essential for the normal circulation of blood, the functioning of the brain and nervous system. It helps maintain the life of every cell in your body and keeps nerve cells healthy. Without B12 the bone marrow- a sort of jelly between your bones- cannot produce the 100 million blood cells it makes every minute. Vitamin B12 is used to treat Cyanide poisoning and vitamin B12 deficiency. It is also given as part the Shilling test which detects Pernicious anemia, a disease that destroys the red blood cells in your stomach as well as giving B12 deficiency.

Deficiency can create fatal damage to the brain and nervous system.

The recommend daily intake for an adult is 2-3 micrograms. Milligrams are bigger than micrograms so you don't have to have a lot but not enough is fatal.

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Q: What does vitamin B-12 do?
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Related questions

Is B12 a vitamin or a mineral?

B12 is a vitamin


Is b12 bad for you?

If you are referring to vitamin b12, vitamin b12 is healthy for you.


Does b12 have barbiturate?

No, vitamin B12 is not a barbiturate


How many international units of Vitamin B12 are in 1000mcg of vitamin B12?

one milliliter


Pernicious anemia is due to lack of what vitamin?

Perncious anemia is caused by the body's inability to absorb the vitamin B12 from the gastrointestinal tract, due to a loss of gastric parietal cells. Regular B12 supplementation can keep pernicious anemia at bay, though it is not a complete cure. B12 is a vitamin obtained from meat and dairy products.


Explain the relation between vitamin b12 and pernicious anemia?

first of all its called vitamin b12 deficiency anemia. Pernicious anemia and vitamin B12 deficiency anemia are the same thing. Pernicious anemia is caused by a lack of vitamin B12. You're not able to absorb the vitamin B12 due to the absence of intrinsinc factor.


Can b12 vitamin increase the size of your neck?

No its not true. There is no such side effects of vit b12 vitamin.


Which of the following is a feature of vitamin B12 nutrition in vegetarians?

Vegan mothers need only infrequent intake of vitamin B12-fortified cereals The vitamin B12 in fermented soy products may have low bioavailability Vitamin B12 in fortified cereals has low bioavailability Infants born to vegan mothers are resistant to the development of vitamin B12 deficiency


How does A-Lennon vitamin B12 help in bodybuilding?

does a-lennon vitamin B12 10ml help to lose weight


Which fruit contains b12?

There are no fruits that have more than a trace level of vitamin B12. That vitamin is not found in fruit.


What vitamin undergoes enterohepatic circulation?

Folate, vitamin B12, vitamin A and vitamin D.


Do you have to fast before Vitamin B12 test?

Yes, according to WebMD.You can find a page describing a vitamin b12 test at:http://www.webmd.com/diet/vitamin-b12-15239I found this page by searching for at www.google.com